William Aloysius McGowan (January 18, 1896 – December 9, 1954) was an American umpire in Major League Baseball who worked in the American League from 1925 to 1954.
McGowan founded the second umpire school in the United States.
He was inducted into the National Baseball Hall of Fame in 1992, the only person born in Delaware so honored.
Author: Unknown Source: Library of Congress Prints and Photographs Division, LC-DIG-npcc-14714 (digital file from original) [1] License: PD-National Photo Company